Side by side

Christopher Ward C1 Moonphase 40vsGrand Seiko SBGM245

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C1 Moonphase 40
Christopher WardC1 Moonphase 40
MSRP $3,050
SBGM245
Grand SeikoSBGM245
MSRP $6,100
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Christopher Ward C1 Moonphase 40

Owners widely praise the Christopher Ward C1 Moonphase 40 for its captivating aventurine dial and photorealistic, luminescent moon, with many receiving compliments and finding it a stylish, lightweight, and comfortable daily wear. The in-house Calibre JJ04 module's 128-year moon tracking is a notable feature. However, multiple owners find the lack of dial indices and bezel markings, along with unlumed hands, makes precise time-telling difficult, with some describing it as more of a jewelry piece than a functional timepiece. One owner experienced a movement issue requiring warranty repair within the first year, and another noted frustration with customer service. The 40.5mm case size is considered sporty by some, and the design is described as "shouty" by a few. On balance, owners highly rate the Christopher Ward C1 Moonphase 40 for its stunning moonphase display and aesthetic appeal at its price point, despite legibility concerns.

From video reviewers

The aventurine dial and Globolight lume are praised for their realistic starry night effect. The 3 ATM water resistance is a significant limitation.

Grand Seiko SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

At a glance

15 of 29 specs differ
Diameter
C1 Moonphase 4047.9mm
SBGM24540.5mm
Power Reserve
C1 Moonphase 4038h
SBGM24572h
Water Resistance
C1 Moonphase 4030m
SBGM245200m
MSRP
C1 Moonphase 40$3,050
SBGM245$6,100

Full specifications

Case

6 specs
Category
GMT
Diameter
47.9mm
40.5mm
Thickness
13.3mm
14.4mm
Lug-to-Lug
47.9mm
48.6mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Blue
Black
Lume
SLN X1 WL C1
None

Movement

5 specs
Caliber
SW220
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
72h
Jewels
26
25
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$3,050
$6,100
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